From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752082Ab2DUFjR (ORCPT ); Sat, 21 Apr 2012 01:39:17 -0400 Received: from mail-we0-f174.google.com ([74.125.82.174]:56635 "EHLO mail-we0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750829Ab2DUFjQ (ORCPT ); Sat, 21 Apr 2012 01:39:16 -0400 From: Maciej Rutecki Reply-To: maciej.rutecki@gmail.com To: Linux Kernel Mailing List Subject: [Regression][3.4-rc3][intel-dri] MMIO read or write has been dropped ffffffff Date: Sat, 21 Apr 2012 07:39:08 +0200 User-Agent: KMail/1.13.7 (Linux/3.4.0-rc3; KDE/4.7.4; x86_64; ; ) Cc: dri-devel@lists.freedesktop.org, Daniel Vetter MIME-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <201204210739.08963.maciej.rutecki@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Bad kernel: 3.4-rc3 Last known good: 3.3 Subsystem: dri-intel (guess) Steps to reproduce: 1. Suspend to ram 2. Resume After resume laptop works ok, but in dmesg I found: [ 164.098113] ------------[ cut here ]------------ [ 164.098124] WARNING: at drivers/gpu/drm/i915/i915_drv.c:398 gen6_gt_check_fifodbg.isra.6+0x31/0x43() [ 164.098126] Hardware name: 1141ALG [ 164.098128] MMIO read or write has been dropped ffffffff [ 164.098129] Modules linked in: xt_tcpudp xt_limit xt_state iptable_filter nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack ip_tables x_tables bnep rfcomm bluetooth uinput fuse loop sha256_generic aes_x86_64 aes_generic cbc dm_crypt dm_mod uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev usbhid hid media snd_hda_codec_hdmi snd_hda_codec_conexant arc4 iwlwifi mac80211 thinkpad_acpi cfg80211 coretemp nvram snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_seq ehci_hcd sdhci_pci crc32c_intel iTCO_wdt iTCO_vendor_support ghash_clmulni_intel snd_seq_device cryptd snd_timer microcode snd acpi_cpufreq mperf usbcore psmouse sdhci r8169 mmc_core mii ac rfkill i2c_i801 soundcore mei(C) serio_raw pcspkr thermal battery power_supply wmi usb_common evdev processor [ 164.098188] Pid: 4684, comm: kworker/u:9 Tainted: G C 3.4.0-rc3 #1 [ 164.098189] Call Trace: [ 164.098197] [] warn_slowpath_common+0x7e/0x96 [ 164.098200] [] warn_slowpath_fmt+0x41/0x43 [ 164.098203] [] gen6_gt_check_fifodbg.isra.6+0x31/0x43 [ 164.098207] [] __gen6_gt_force_wake_put+0x19/0x1b [ 164.098210] [] i915_read32+0x66/0x9d [ 164.098213] [] i915_update_gfx_val+0x61/0xb9 [ 164.098218] [] intel_idle_update+0x47/0x18d [ 164.098222] [] process_one_work+0x1b5/0x340 [ 164.098225] [] ? process_one_work+0x118/0x340 [ 164.098228] [] ? intel_disable_plane+0x60/0x60 [ 164.098231] [] worker_thread+0xce/0x152 [ 164.098234] [] ? manage_workers.isra.22+0x16a/0x16a [ 164.098237] [] kthread+0xa1/0xa9 [ 164.098242] [] ? trace_hardirqs_on+0xd/0xf [ 164.098246] [] kernel_thread_helper+0x4/0x10 [ 164.098250] [] ? retint_restore_args+0x13/0x13 [ 164.098253] [] ? __init_kthread_worker+0x55/0x55 [ 164.098256] [] ? gs_change+0x13/0x13 [ 164.098257] ---[ end trace 97bd0b679d161c3e ]--- [ 164.098827] ------------[ cut here ]------------ [ 164.098830] WARNING: at drivers/gpu/drm/i915/i915_drv.c:398 gen6_gt_check_fifodbg.isra.6+0x31/0x43() [ 164.098832] Hardware name: 1141ALG [ 164.098833] MMIO read or write has been dropped ffffffff [ 164.098834] Modules linked in: xt_tcpudp xt_limit xt_state iptable_filter nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack ip_tables x_tables bnep rfcomm bluetooth uinput fuse loop sha256_generic aes_x86_64 aes_generic cbc dm_crypt dm_mod uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev usbhid hid media snd_hda_codec_hdmi snd_hda_codec_conexant arc4 iwlwifi mac80211 thinkpad_acpi cfg80211 coretemp nvram snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_seq ehci_hcd sdhci_pci crc32c_intel iTCO_wdt iTCO_vendor_support ghash_clmulni_intel snd_seq_device cryptd snd_timer microcode snd acpi_cpufreq mperf usbcore psmouse sdhci r8169 mmc_core mii ac rfkill i2c_i801 soundcore mei(C) serio_raw pcspkr thermal battery power_supply wmi usb_common evdev processor [ 164.098877] Pid: 4684, comm: kworker/u:9 Tainted: G WC 3.4.0-rc3 #1 [ 164.098878] Call Trace: [ 164.098881] [] warn_slowpath_common+0x7e/0x96 [ 164.098884] [] warn_slowpath_fmt+0x41/0x43 [ 164.098888] [] gen6_gt_check_fifodbg.isra.6+0x31/0x43 [ 164.098891] [] __gen6_gt_force_wake_put+0x19/0x1b [ 164.098894] [] i915_read32+0x66/0x9d [ 164.098896] [] intel_idle_update+0x9f/0x18d [ 164.098899] [] process_one_work+0x1b5/0x340 [ 164.098902] [] ? process_one_work+0x118/0x340 [ 164.098904] [] ? intel_disable_plane+0x60/0x60 [ 164.098907] [] worker_thread+0xce/0x152 [ 164.098910] [] ? manage_workers.isra.22+0x16a/0x16a [ 164.098913] [] kthread+0xa1/0xa9 [ 164.098916] [] ? trace_hardirqs_on+0xd/0xf [ 164.098918] [] kernel_thread_helper+0x4/0x10 [ 164.098921] [] ? retint_restore_args+0x13/0x13 [ 164.098925] [] ? __init_kthread_worker+0x55/0x55 [ 164.098927] [] ? gs_change+0x13/0x13 [ 164.098928] ---[ end trace 97bd0b679d161c3f ]--- I found similar report in: https://bugzilla.redhat.com/show_bug.cgi?id=809773 Dmesg, config and lspci: http://mrutecki.pl/download/kernel/3.4-rc3/dri_intel/ Regards -- Maciej Rutecki http://www.mrutecki.pl